Portable evaporative air cooler



FIG. 1 is a front perspective view of a portable evaporative air cooler, showing my new design;

FIG. 2 is an enlarged, front elevational view thereof;

FIG. 3 is an enlarged, rear elevational view thereof;

FIG. 4 is an enlarged top plan view thereof;

FIG. 5 is an enlarged bottom plan view thereof;

FIG. 6 is an elevational view taken generally from the right of FIG. 3; and,

FIG. 7 is an elevational view of the opposite side thereof. 

The ornamental design for a portable evaporative air cooler, as shown. 